What's the equation?

是什么方程
That is the question.

问题就在这
And a very good question. I'm not quite sure yet.

这个问题非常好我还不清楚
But I intend to find out.

但我想研究出来
Then why didn't you stay at Oxford?

那你为什么不留在牛津
Because my finals exams were such a shambles

因为我的期末考试考得一塌糊涂
that the examiners they settled me in for a "Viva",

他们叫我参加个口试
- And they told me that if I go up a second... - What's a "Viva"?

-他们说如果我拿到二等 -口试是什么
It's a sort of, mildly terrifying face-to-face thingy.

有点恐怖跟人面对面坐下来什么的
- Like an interview? - An interrogation.

-面试吗 -审讯吧
And I told them that if they gave me a 2nd class degree

我告诉他们如果给我二等学位[参考片尾注释]
then I'd stay with them and do my research at Oxford,

我就得留在牛津做研究